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Recognised as Colour

#06175D

  • #06175D
  • Blue
  • Dark
  • Nearest: Midnight blue

#06175D is a blue with RGB values 6, 23, 93 and HSL 228°, 88%, 19%. It is a dark colour, so white text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#06175D#06175D
HEX#06175D
RGBrgb(6, 23, 93)
RGB (0–1)0.0235, 0.0902, 0.3647
RGB percentages2.4%, 9%, 36.5%
HSLhsl(228.3, 87.9%, 19.4%)
HSV / HSBhsv(228.3, 93.5%, 36.5%)
CMYK93.5%, 75.3%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer399,197
CSS custom property--colour: #06175D;

Brightness & contrast

Relative luminance0.01442WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.3:1
Contrast with white16.3:1WCAG normal text: AAA
Contrast with black1.29:1WCAG normal text: Fail
Greyscale equivalent#181818
Inverted#F9E8A2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00245Fno red cones; affects about 1% of men; ΔE 11.1 from the original
Deuteranopia#001C5Cno green cones; the most common form, about 1% of men; ΔE 5.3 from the original
Tritanopia#002B38no blue cones; rare, and affects men and women equally; ΔE 44.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.3:1WCAG large text: AAA
Contrast with black, large text1.29:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 10.6Dark slateblue · ΔE 18.7Rebecca purple · ΔE 28.2Indigo · ΔE 30.5Navy · ΔE 31.9Dark blue · ΔE 36.8
Nearest named CSS colourMidnight blue (#191970)ΔE 10.65, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D4C06
Analogous#06425D, #21065D
Triadic#5D0617, #175D06
Split complementary#5D2106, #425D06
Tetradic#5D0642, #5D4C06, #065D21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3D60F2
Lighter +30%#0F3BED
Lighter +20%#0C2FBD
Lighter +10%#09238D
Darker −10%#030B2D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001363
Less saturated −25%#121F51

Channel breakdown

R6
G23
B93
Red6 (2.4%)
Green23 (9%)
Blue93 (36.5%)
Hue228.28°
Saturation (HSL)87.88%
Lightness19.41%
Dominant channelBlue
Hex per channelR 06 · G 17 · B 5D

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Every value on this page was computed from “06175d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.